CN2640588Y - Epoxyethane residual gas treatment plant - Google Patents
Epoxyethane residual gas treatment plant Download PDFInfo
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- CN2640588Y CN2640588Y CN 03258985 CN03258985U CN2640588Y CN 2640588 Y CN2640588 Y CN 2640588Y CN 03258985 CN03258985 CN 03258985 CN 03258985 U CN03258985 U CN 03258985U CN 2640588 Y CN2640588 Y CN 2640588Y
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- residual gas
- oxirane
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- treating apparatus
- preheating chamber
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Abstract
The utility model relates to a residual epoxy ethane gas processing device which comprises a preheating chamber, a combustion chamber connected with the preheating chamber. A heating device is arranged in the preheating chamber which is communicated with an air delivering pipeline and a residual epoxy ethane gas delivering pipeline; an air exhaust pipeline is communicated with the combustion chamber and a combustion bed with catalyst is arranged in the combustion chamber. The utility model can process the residual epoxy ethane gas homogeneously, stably, sufficiently and the processed gas contains no more than 1ppm residual epoxy ethane gas which is lower than the national maximum emission standard thus a safe emission can be realized.
Description
Technical field
The utility model relates to a kind for the treatment of apparatus of residual gas, particularly a kind for the treatment of apparatus of oxirane residual gas.
Background technology
Oxirane is called for short EO, and molecular formula is C
2H
4O is a kind of poisonous, harmful, inflammable, explosive material, and symptoms such as dizziness, dimmed, nauseating, expiratory dyspnea can appear in the excessive suction of human body, will threaten people's life when serious, and this material also has destruction to environment.Oxirane is widely used in sterilization, and ethylene oxide sterilizer has been subjected to using widely in industries such as health cares, yet after sterilization process finished, the residue residual gas can not directly discharge owing to its harmfulness.The national Specification of China, the aerial concentration of oxirane must not surpass 5mg/M
3In the prior art, normally after sterilization, will remain residual gas and feed in the water, discharge then.Its defective is, still contains the oxirane of excess in the water, and its discharging will pollute environment, and ethylene oxide segment and water reacts, and generates materials such as ethylene glycol, and environment is caused secondary pollution.
Summary of the invention
Technical problem to be solved in the utility model is according to the deficiencies in the prior art, proposes a kind of oxirane residual gas treating apparatus of the oxirane residual gas being handled, realized safety dumping.
Technical problem to be solved in the utility model is to realize by following technical scheme.The utility model is a kind of oxirane residual gas treating apparatus, be characterized in, it comprises preheating chamber, the combustion chamber that is communicated with preheating chamber, described preheating chamber is provided with heater, also be communicated with on the preheating chamber and be provided with air delivery pipe road and oxirane residual gas transfer pipeline, be communicated with on the described combustion chamber and be provided with gas exhaust piping, be provided with the burning bed of band catalyst in the described combustion chamber.The utility model can cooperate ethylene oxide sterilizer to use, and also can be used for the processing that other produces oxirane residual gas situation.During use, air enters preheating chamber by the air delivery pipe road and carries out preheating, after the oxirane residual gas enters preheating chamber and carries out preheating by the residual gas transfer pipeline, enter the combustion chamber jointly, oxirane and oxygen react under the catalysis of catalyst, and reaction generates carbon dioxide and water, and product and surplus air are discharged from gas exhaust piping, thereby realize processing, realize safety dumping the oxirane residual gas.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus, be characterized in, it also is provided with absorber, described absorber comprises housing and the adsorbent bed that is located in the housing, described adsorbent bed is made of activated carbon or activated fibre, also is respectively equipped with the pipeline that is communicated with oxirane residual gas transfer pipeline, air delivery pipe road, gas exhaust piping, preheating chamber on the absorber.The technical program mainly is applicable to the more situation that needs processing of oxirane residual gas, during use, the ethylene oxide segment residual gas is handled by technique scheme, because residual volume(RV) is more, for preventing that reaction not exclusively, so another part residual gas is imported in the set absorber by pipeline, by the absorption of activated carbon or activated fibre, in the regular hour, the oxirane residual gas can be adsorbed to fall, other gas is then discharged from gas exhaust piping, when activated carbon or activated fibre can not adsorb again, then can handle by technique scheme with the oxirane residual gas by in the pipeline input preheating chamber, at last, can air be imported in the absorber by pipeline, the oxirane that is adsorbed in the adsorbent bed is derived again, and in the input preheating chamber, handle by technique scheme again, to realize safety dumping.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in that described burning bed is cellular or network structure, and described catalyst is evenly distributed on the burning bed.Like this, can make the reaction of oxirane and oxygen more abundant, thereby strengthen treatment effect of the present utility model, realize safety dumping better.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in that described air delivery pipe road is provided with air-introduced machine, circulating fan and air cleaner, and described oxirane residual gas transfer pipeline is provided with vavuum pump, moisture trap.Like this, can further strengthen the treatment effect of the utility model to oxirane.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus, be characterized in, it also is provided with the return line that is communicated with gas exhaust piping and air delivery pipe road, form closed circuit, described return line is provided with branch gas control valve like this, a part of reacted tail gas can be imported the air delivery pipe road, recycles, thereby can utilize the heat in the tail gas to react preceding preheating, cost-saved.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in, is communicated with on the described gas exhaust piping to be provided with cooler.Like this, before tail gas is discharged, it is carried out cooling processing, hurt sb.'s feelings in order to avoid temperature is too high, described cooler also can be the cooler and the type of cooling of any routine to adopt water-cooled.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in, it also is provided with the cooling line that is communicated with air delivery pipe road and gas exhaust piping.Like this, can utilize air that it is cooled off with in the part air input gas exhaust piping.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in, described heater is that electrical heating is put or fuel oil, combustion gas, coal-fired heater or steam heater.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in that it also is provided with gas flow temperature regulation and control system, stream pressure regulation and control system, air flow rate regulation and control system.Like this, just can control automatically whole processing procedures of the present utility model, handle, increase work efficiency to realize automation by set control system.
Technical problem to be solved in the utility model can also further realize by following technical scheme.Above-described a kind of oxirane residual gas treating apparatus is characterized in that described gas flow temperature regulation and control system comprises thermocouple, expansion type temperature controller, temperature, pressure adjuster, controller; Described stream pressure regulation and control system comprises Pressure gauge, pressure switch, signal converter; Described air flow rate regulation and control system comprises Electric angle valve, temperature, pressure adjuster, controller and flowmeter.In the technical program, thermocouple is located at respectively in preheating chamber and the combustion chamber, the expansion type temperature controller is located in the preheating chamber, described thermocouple is by the control of temperature, pressure adjuster, Electric angle valve is located on the oxirane transfer pipeline, and by the control of temperature, pressure adjuster, flowmeter is located on the air delivery pipe road.The full automatic treatment process of the technical program is as follows, at first gives the air-introduced machine signal of telecommunication, and air-introduced machine starts, and air enters transfer pipeline, and divides two-way, and one the tunnel enters circulation, and another road enters gas exhaust piping by the road, discharges; Simultaneously, circulating fan starts, and air enters preheating chamber through Pressure gauge, flowmeter, valve, again through the combustion chamber, divide the gas control valve, a part enters circulating fan, forms whole closed circuit, another part then discharges through cooler; After circulating fan started, heater started, and the gas flow temperature in the closed circuit constantly raises, and by temperature controller control maximum temperature; After heater started, vavuum pump started, and the oxirane residual gas is extracted out by vavuum pump, reaches the combustion chamber through preheating chamber and carries out oxidation reaction; Preheating chamber and the set relevant variations in temperature data of thermocouple collection in combustion chamber are sent to the temperature, pressure adjuster, can be used as the analog quantity of Electric angle valve open degree size.By control system, the combustion decomposition that can guarantee oxirane in overall process equably, stably, carry out fully.
Compared with prior art, the utility model can carry out uniform, stable, the sufficient processing to the oxirane residual gas, and the ethylene oxide content in the gas after treatment is no more than 1ppm, is lower than the maximum emission standard of national regulation, has realized safety dumping.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
The specific embodiment
Contrast accompanying drawing below, further describe concrete implementer's case of the present utility model.
Embodiment 1.With reference to Fig. 1.A kind of oxirane residual gas treating apparatus, it comprises preheating chamber 3, the combustion chamber 11 that is communicated with preheating chamber 3, described preheating chamber 3 is provided with heater 14, described heater 14 is an electric heating tube 14, also is communicated with on the preheating chamber 3 to be provided with air delivery pipe road 15 and oxirane residual gas transfer pipeline 2, is communicated with on the described combustion chamber 11 to be provided with gas exhaust piping 5, be provided with the burning bed 13 of band catalyst in the described combustion chamber 11, described catalyst is metals such as platinum, palladium.On each pipeline, be provided with valve as required.
Embodiment 2.With reference to Fig. 2.A kind of oxirane residual gas treating apparatus, it comprises preheating chamber 3, the combustion chamber 11 that is communicated with preheating chamber 3, described preheating chamber 3 is provided with heater 14, this heater 14 be fuel oil heater 14, also be communicated with on the preheating chamber 3 and be provided with air delivery pipe road 15 and oxirane residual gas transfer pipeline 2, be communicated with on the described combustion chamber 11 and be provided with gas exhaust piping 5, be provided with the burning bed 13 of band catalyst in the described combustion chamber 11, it also is provided with absorber 37, described absorber 37 comprises housing and the adsorbent bed 36 that is located in the housing, described adsorbent bed 36 is made of activated carbon, also is respectively equipped with on the absorber 36 and oxirane residual gas transfer pipeline 2, air delivery pipe road 15, gas exhaust piping 5, the pipeline that preheating chamber 3 is communicated with.On each pipeline, be provided with valve as required.
Embodiment 3.In embodiment 1, described burning bed 13 is an alveolate texture, and described catalyst is evenly distributed on burning bed 13.
Embodiment 4.In embodiment 2, described burning bed 13 is a network structure, and described catalyst is evenly distributed on the burning bed 13; Described air delivery pipe road 15 is provided with air-introduced machine 8, circulating fan 12 and air cleaner 7, and described oxirane residual gas transfer pipeline 2 is provided with vavuum pump 1 and moisture trap 16.
Embodiment 5.In embodiment 1, also be provided with the return line 10 that is communicated with gas exhaust piping 5 and air delivery pipe road 15, form closed circuit, described return line 10 is provided with branch gas control valve 4, is communicated with on the described gas exhaust piping 5 to be provided with cooler 6.
Embodiment 6.In embodiment 1, also be provided with the cooling line 9 that is communicated with air delivery pipe road 15 and gas exhaust piping 5.
Embodiment 7.With reference to Fig. 1.A kind of oxirane residual gas treating apparatus, it comprises preheating chamber 3, the combustion chamber 11 that is communicated with preheating chamber 3, described preheating chamber 3 is provided with heater 14, described heater is a steam heater, also be communicated with on the preheating chamber 3 and be provided with air delivery pipe road 15 and oxirane residual gas transfer pipeline 2, be communicated with on the described combustion chamber 11 and be provided with gas exhaust piping 5, be provided with the burning bed 13 of band catalyst in the described combustion chamber 11; Described burning bed 13 is an alveolate texture, and described catalyst is evenly distributed on the burning bed 13; 15 are provided with air-introduced machine 8, circulating fan 12 and air cleaner 7 on the described air delivery pipe road, and described oxirane residual gas transfer pipeline 2 is provided with vavuum pump 1, moisture trap 16; It also is provided with the return line 10 that is communicated with gas exhaust piping 5 and air delivery pipe road 15, forms closed circuit, and described return line 10 is provided with branch gas control valve 4; Be communicated with on the described gas exhaust piping 5 and be provided with cooler 6; It also is provided with the cooling line 9 that is communicated with air delivery pipe road 15 and gas exhaust piping 5; It also is provided with gas flow temperature regulation and control system, stream pressure regulation and control system, air flow rate regulation and control system; Described gas flow temperature regulation and control system comprises thermocouple, expansion type temperature controller, temperature, pressure adjuster, controller; Described stream pressure regulation and control system comprises Pressure gauge, pressure switch, signal converter; Described air flow rate regulation and control system comprises Electric angle valve, temperature, pressure adjuster, controller and flowmeter, is provided with valve as required on each pipeline.
Embodiment 8.With reference to Fig. 1, Fig. 2.In embodiment 7, it also is provided with absorber 37, described absorber 37 comprises housing and the adsorbent bed 36 that is located in the housing, described adsorbent bed 36 is made of activated fibre, also is respectively equipped with the pipeline that is communicated with oxirane residual gas transfer pipeline 2, air delivery pipe road 15, gas exhaust piping 5, preheating chamber 3 on the absorber 36.
Claims (8)
1, a kind of oxirane residual gas treating apparatus, it is characterized in that, it comprises preheating chamber (3), the combustion chamber (11) that is communicated with preheating chamber (3), described preheating chamber (3) is provided with heater (14), also be communicated with on the preheating chamber (3) and be provided with air delivery pipe road (15) and oxirane residual gas transfer pipeline (2), described combustion chamber (11) are gone up to be communicated with and are provided with gas exhaust piping (5), are provided with the burning bed (13) of being with catalyst in described combustion chamber (11).
2, a kind of oxirane residual gas treating apparatus according to claim 1, it is characterized in that, it also is provided with absorber (37), described absorber (37) comprises housing and the adsorbent bed (36) that is located in the housing, described adsorbent bed (36) is made of activated carbon or activated fibre, also is respectively equipped with the pipeline that is communicated with oxirane residual gas transfer pipeline (2), air delivery pipe road (15), gas exhaust piping (5), preheating chamber (3) on the absorber (37).
3, a kind of oxirane residual gas treating apparatus according to claim 1 is characterized in that described burning bed (13) is cellular or network structure, and described catalyst is evenly distributed on the burning bed (13).
4, a kind of oxirane residual gas treating apparatus according to claim 1, it is characterized in that, described air delivery pipe road (15) is provided with air-introduced machine (8), circulating fan (12) and air cleaner (7), and described oxirane residual gas transfer pipeline (2) is provided with vavuum pump (1) and moisture trap (16).
5, a kind of oxirane residual gas treating apparatus according to claim 1, it is characterized in that, it also is provided with the return line (10) that is communicated with gas exhaust piping (5) and air delivery pipe road (15), forms closed circuit, and described return line (10) is provided with branch gas control valve (4).
6, a kind of oxirane residual gas treating apparatus according to claim 1 is characterized in that, described gas exhaust piping (5) is gone up to be communicated with and is provided with cooler (6).
7, a kind of oxirane residual gas treating apparatus according to claim 1 is characterized in that, it also is provided with the cooling line (9) that is communicated with air delivery pipe road (15) and gas exhaust piping (5).
8, a kind of oxirane residual gas treating apparatus according to claim 1 is characterized in that, described heater (14) puts for electrical heating or fuel oil, combustion gas, coal-fired heater or steam heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258985 CN2640588Y (en) | 2003-06-18 | 2003-06-18 | Epoxyethane residual gas treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03258985 CN2640588Y (en) | 2003-06-18 | 2003-06-18 | Epoxyethane residual gas treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN2640588Y true CN2640588Y (en) | 2004-09-15 |
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ID=34295891
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03258985 Expired - Fee Related CN2640588Y (en) | 2003-06-18 | 2003-06-18 | Epoxyethane residual gas treatment plant |
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| CN (1) | CN2640588Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749717A (en) * | 2010-03-02 | 2010-06-23 | 苏州汇科机电设备有限公司 | Processing plant for exhaust gas from electronic furnace |
| CN103394278A (en) * | 2013-08-09 | 2013-11-20 | 杨欣蕾 | Method and device for processing ethylene oxide waste gas |
| CN103667014A (en) * | 2013-12-17 | 2014-03-26 | 杨亮月 | P-L flora activation and mutation reproduction tank as well as inducing method |
| CN103816790A (en) * | 2014-02-27 | 2014-05-28 | 邢台市蓝天精细化工有限公司 | Method for recovering epoxide in tail gas |
| CN104019372A (en) * | 2014-06-06 | 2014-09-03 | 中国石油集团东北炼化工程有限公司吉林设计院 | Ethylene oxide safe discharging device |
| CN106861388A (en) * | 2017-03-23 | 2017-06-20 | 杭州博控机电设备有限公司 | A kind of oxirane exhaust-gas treatment and energy-recuperation system |
| CN107297141A (en) * | 2016-04-15 | 2017-10-27 | 中国石油化工股份有限公司 | A kind of petroleum vapor recovery handling process and complexes |
-
2003
- 2003-06-18 CN CN 03258985 patent/CN2640588Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749717A (en) * | 2010-03-02 | 2010-06-23 | 苏州汇科机电设备有限公司 | Processing plant for exhaust gas from electronic furnace |
| CN101749717B (en) * | 2010-03-02 | 2011-04-27 | 苏州汇科机电设备有限公司 | Processing plant for exhaust gas from electronic furnace |
| CN103394278A (en) * | 2013-08-09 | 2013-11-20 | 杨欣蕾 | Method and device for processing ethylene oxide waste gas |
| CN103394278B (en) * | 2013-08-09 | 2015-04-29 | 杨欣蕾 | Method and device for processing ethylene oxide waste gas |
| CN103667014A (en) * | 2013-12-17 | 2014-03-26 | 杨亮月 | P-L flora activation and mutation reproduction tank as well as inducing method |
| CN103816790A (en) * | 2014-02-27 | 2014-05-28 | 邢台市蓝天精细化工有限公司 | Method for recovering epoxide in tail gas |
| CN103816790B (en) * | 2014-02-27 | 2016-01-20 | 邢台市蓝天精细化工有限公司 | The recovery method of epoxides in a kind of tail gas |
| CN104019372A (en) * | 2014-06-06 | 2014-09-03 | 中国石油集团东北炼化工程有限公司吉林设计院 | Ethylene oxide safe discharging device |
| CN107297141A (en) * | 2016-04-15 | 2017-10-27 | 中国石油化工股份有限公司 | A kind of petroleum vapor recovery handling process and complexes |
| CN106861388A (en) * | 2017-03-23 | 2017-06-20 | 杭州博控机电设备有限公司 | A kind of oxirane exhaust-gas treatment and energy-recuperation system |
| CN106861388B (en) * | 2017-03-23 | 2023-10-27 | 杭州博控机电设备有限公司 | Ethylene oxide waste gas treatment and energy recovery system |
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| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |